Classified as C2TE-S1, cementitious (C), improved (2) with no vertical slip (T) extended open time (E) and deformable (S1), according to EN 12004, for interior and exterior surfaces. It provides very strong adhesion, elasticity, excellent water resistance, extended open time and no vertical slip. Ideal for the adhesion of tiles, stones and mosaics on walls and conventional substrates, under floor heating installations, swimming pools, etc. Also suitable for tile to tile application with medium size tiles.